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Robust Construction: Built for commercial duty with a temperature range of 14°F to 140°F and fits standard single-gang electrical boxes for easy installation
which is the industry standard for 2-inch pressure indicating gauges in HVACR controls
Durable Construction: Fabricated from heavy-gauge galvanized steel to resist corrosion and withstand high-heat exhaust environments
Low Floc Point: Eliminates the risk of waxy deposits at low temperatures
the Watts 9DS-1/2 sweat backflow preventer offers true line-sized construction
Robertshaw RS9220 Thermostat Els PW 17895 Robust Construction: Built for commercialThe Robertshaw RS9220 is a trade grade multi stage programmable thermostat designed specifically for 2 heat 2 cool systems. This unit provides a seamless field upgrade as the direct replacement for RS5220 models, utilizing a universal sub base and large terminal blocks that significantly reduce time spent on thermostat wiring during installation. Built for versatility, the RS9220 is compatible with gas, oil, electric, and heat pump systems (without
